大体积混凝土结构的徐变应力受多种随机因素的影响。
Stochastic finite element method for random thermal creep stress in massive concrete structures is presented.
大体积混凝土结构的徐变应力受多种随机因素的影响。
The sidewall fracture of the shaft and the creep of concrete;
在大体积混凝土结构中，温度应力是一个十分重要的问题。
Thermal stress is of vital importance to mass concrete structures.
在大体积混凝土结构中，温度应力和温度控制具有重要的意义。
Thermal stress and temperature control is crucial in mass concrete structure.
本文讨论带有键槽的施工缝时大体积混凝土结构的应力分析方法。
In this paper, the stress analysis method of massive concrete structure in consideration of construction joints with key grooves is discussed.
分析了大体积混凝土结构早期开裂的原因，提出了防裂技术思路与对策。
The reasons of cracking of large mass concrete construction in the early age are analysed and the technical thinking and ways of prevention of cracking are presented in this paper.
首次尝试将随机有限元法引入大体积混凝土结构随机温度徐变应力的计算。
Stochastic finite element method for random thermal creep stress in massive concrete structures is presented.
大体积混凝土结构基础设计和施工中裂缝、预埋件等的控制是工程界的热点。
The design of the bulk concrete structure for foundation and control of the cracks as well as embedded parts in construction are focuses in the engineering circle.
而应用声波跨孔法进行大体积混凝土结构的深裂缝检测可有效地解决上述问题。
The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.
结合实测大体积混凝土结构温度场，分析了造成大体积混凝土开裂的主要因素。
The temperature characteristic and temperature control methods of massive concrete are analyzed, the main factors of massive concrete cracking are studied with the tested temperature field computing.
大体积混凝土结构水化热温度场分析的关键是混凝土中水泥水化反应放热模型的确定。
The key of temperature field analysis in massive concrete is the model for hydration heat of cement.
通过在工程中实践，进一步证明本方法在大体积混凝土结构裂缝深度无损检测中的优势。
Through practices in the project, further proves this method in the mass concrete structural cracks depth lossless detection superiority.
在大体积混凝土结构的施工、运行过程中，温度、位移、应力的分析研究有着重要的实际意义。
It's of practical importance that research intensively the temperature field, displacements field and stresses field of mass concrete during it's construction and operation.
大体积混凝土结构的温度与收缩裂缝对混凝土结构具有破坏作用，控制裂缝的产生，十分重要。
Temperature and shrinkage crack of huge concrete can destruct concrete structure, so it is important to control the crack.
大体积混凝土结构在工程中的应用越来越广泛，由于温度变化而引起的裂缝是长期困扰人们的问题。
The mass concrete structures are applied more and more abroad in engineering project, the problem of the crack which is caused by temperature change is puzzled people always.
因此线弹性断裂力学可以很好地应用于大体积混凝土结构的裂缝稳定性分析和改进水工结构的设计方法。
Therefore, linear elastic fracture mechanics can be applied to stability analyses of cracks in mass concrete structures and to improving design methods of hydraulic structures.
运用体积开裂概率分析了大体积混凝土结构的抗裂可靠性，并结合有限元法对控制裂缝设计与施工进行了研究。
The paper analyses the anti cracking reliability in massive concrete structure with the concept of overall crack probability, presenting the cracking control design and construction combined with FEM.
本文在约束系数矩阵法的基础上，进一步提出了适用于碾压混凝土坝和普通大体积混凝土结构的温差控制标准的直接计算法。
A direct calculative method, based on restraint matrix and FEM, is proposed to calculate temperature control standard for mass concrete and RCC DAMS.
某水库泄洪闸闸墩，为大体积的混凝土结构，体型、受力情况及边界条件都较复杂。
The sluice pier of the reservoir is a concrete structure of big volume with complex shape, force exerted and boundary condition.
沉管隧道工程中的管段为大体积混凝土构件，结构形式较为复杂。
The pipe section of the immersed tunnel is the large-volume concrete structure, which is complicated in the structure shape.
核电站安全壳是防止放射性物质向环境释放的大体积预应力混凝土筒壳结构，是特殊环境条件下的重点防护目标。
Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.
文章以某综合楼的结构优化设计为例，主要介绍了柱下交叉条形基础大体积混凝土的施工要点。
Taking the optimized structural design in a complex building as an example, the article introduces the essentials in the cross strip foundation mass concrete construction.
同时，大体积混凝土工程中因早期裂缝引起的结构失效和耐久性问题等也日益突出。
But this also leads to some problems, such as structure and durability failure in massive concrete structures, which were caused by the crack at early ages.
分析了大体积混凝土裂缝形成的原因，从结构设计、材料选择和质量控制等方面，提出大体积混凝土裂缝的控制措施。
This text analyzed the reason and proposed the control measures of the cracks in large volume concrete from respects such as structure design , material selection and quality control , etc.
本文结合工程实例，介绍用普通混凝土薄层浇筑大体积结构的经验，并对温控防裂技术作了分析和探讨。
In this article, an introduction of the thin coursed pouring technology for the construction of mass concrete structure has been demonstrated by practical engineering examples.
介绍了结构设计中的大体积地下室设计、盐碱地混凝土防护设计、抗震设计、天桥设计和大型点式幕墙设计。
The design methods are introduced for the mass concrete basement, protection of concrete in the saline-alkali soil, aseismic measure, overbridge, point-supporting glass curtain wall.
介绍了结构设计中的大体积地下室设计、盐碱地混凝土防护设计、抗震设计、天桥设计和大型点式幕墙设计。
The design methods are introduced for the mass concrete basement, protection of concrete in the saline-alkali soil, aseismic measure, overbridge, point-supporting glass curtain wall.
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